JPS589976U - Glow plug temperature control device - Google Patents
Glow plug temperature control deviceInfo
- Publication number
- JPS589976U JPS589976U JP10521481U JP10521481U JPS589976U JP S589976 U JPS589976 U JP S589976U JP 10521481 U JP10521481 U JP 10521481U JP 10521481 U JP10521481 U JP 10521481U JP S589976 U JPS589976 U JP S589976U
- Authority
- JP
- Japan
- Prior art keywords
- glow plug
- terminal
- voltage
- charging circuit
- input
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Control Of Temperature (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は本考案にかかるグロープラグの温度制御装置の
一実施例を示す回路図、第2図はその作゛動説明のため
のタイミングチャート、第3図は他の実施例の回路図、
第4図はさらに他の実施例のブロック図である。
1・・・・・′・制御回路、2・・・・・・電流制限用
抵抗、3・・・・・・ワイヤーハーネス、4・・・・・
・定電圧回路、5・・・・・・コンパレータ、C1・・
・・・・コンデンサ、I、 II・・・・・・すに−
+、G・・・・・・グロープラグ、T1.T2・・・・
・・タイマ。
くニー、FIG. 1 is a circuit diagram showing one embodiment of a glow plug temperature control device according to the present invention, FIG. 2 is a timing chart for explaining its operation, and FIG. 3 is a circuit diagram of another embodiment.
FIG. 4 is a block diagram of yet another embodiment. 1...' Control circuit, 2... Current limiting resistor, 3... Wire harness, 4...
・Constant voltage circuit, 5... Comparator, C1...
...Capacitor, I, II...Suni-
+, G... Glow plug, T1. T2...
...Timer. Kuni,
Claims (1)
続されるグロープラグ端子電圧入力用端子と、上記端子
から抵抗もしくはトランジスタを介して上記コンデンサ
に接続されて該コンデンサに対してグロープラグ端子電
圧依存性の充電を行うようにする充電回路と、上記コン
デンサの入力電圧と定電圧回路の出力電圧の抵抗分割点
電圧とを入力とするコンパレータとを備え、上記コンパ
レーターの出力により、グロープラグと電源間に介装さ
れて予熱開始スイッチの投入により閉成し予熱用大電流
を通電する常開のリレー接点の閉成保持時間を規制する
グロープラグ温度制御装置において、 充電回路中に夕゛イオードを介装し、上記充電回路とは
別に定電圧回路の出力電圧に基づく充電を行う補助的充
電回路を設け、コンパレータの一方の入力点である上記
抵抗分割点をダイオードを介して上記端子もしくは該端
子の電圧印加点に接続するとともに上記端子には入力抵
抗を附与し、しかして事故により上記端子に電圧の印加
がなくなったときでもグロープラグへの予熱用通電時間
を適当に維持できるようにしたことを特徴とするグロー
プラグの温度制御装置。[Claims for Utility Model Registration] A capacitor, a glow plug terminal voltage input terminal connected to the terminal portion of the glow plug by an electric wire, and a voltage input terminal connected from the terminal to the capacitor via a resistor or transistor to the capacitor. a charging circuit that performs glow plug terminal voltage-dependent charging; and a comparator that receives as input the input voltage of the capacitor and the resistance division point voltage of the output voltage of the constant voltage circuit, and the output of the comparator In a glow plug temperature control device that regulates the closing time of a normally open relay contact that is interposed between the glow plug and the power supply and closes when the preheating start switch is turned on and conducts a large preheating current, the charging circuit An auxiliary charging circuit is installed in which a diode is inserted, and an auxiliary charging circuit is provided that performs charging based on the output voltage of the constant voltage circuit separately from the charging circuit. The terminal is connected to the above terminal or the voltage application point of the terminal, and an input resistance is provided to the above terminal, so that even if voltage is not applied to the above terminal due to an accident, the glow plug can be energized for an appropriate preheating time. A glow plug temperature control device characterized by being able to maintain a temperature of a glow plug.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10521481U JPS589976U (en) | 1981-07-14 | 1981-07-14 | Glow plug temperature control device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10521481U JPS589976U (en) | 1981-07-14 | 1981-07-14 | Glow plug temperature control device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS589976U true JPS589976U (en) | 1983-01-22 |
JPS626296Y2 JPS626296Y2 (en) | 1987-02-13 |
Family
ID=29899758
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10521481U Granted JPS589976U (en) | 1981-07-14 | 1981-07-14 | Glow plug temperature control device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS589976U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6161977A (en) * | 1984-08-31 | 1986-03-29 | Ngk Spark Plug Co Ltd | Electrification control device of glow plug |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5572661A (en) * | 1978-11-28 | 1980-05-31 | Diesel Kiki Co Ltd | Glow plug thermostat |
-
1981
- 1981-07-14 JP JP10521481U patent/JPS589976U/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5572661A (en) * | 1978-11-28 | 1980-05-31 | Diesel Kiki Co Ltd | Glow plug thermostat |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6161977A (en) * | 1984-08-31 | 1986-03-29 | Ngk Spark Plug Co Ltd | Electrification control device of glow plug |
Also Published As
Publication number | Publication date |
---|---|
JPS626296Y2 (en) | 1987-02-13 |
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